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Percentage of Strabismic Subjects with Binocular Summation and Inhibition
| Test | Binocular Summation (BiS score >5 letters) | Indeterminate (−5 letters< BiS score <+5 letters) | Binocular Inhibition (BiS score < −5 letters) |
|---|---|---|---|
| ETDRS | 5% | 89% | 5% |
| 2.5% LCA | 13% | 76% | 10% |
| 1.25% LCA | 12% | 65% | 23% |
BI: binocular inhibition; BiS: binocular summation; ETDRS: early treatment diabetic retinopathy study (high contrast visual acuity); LCA: low contrast acuity
